# SDR CALA2023031300721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N15751](https://openairdocs.org/aircraft/N15751), registered now
- Make and model: Boeing 737*
- Aircraft serial: 29047
- Aircraft time: 71,241 hours, 28,683 cycles
- System (JASC): [5600 · Window/Windshield System](https://openairdocs.org/jasc/5600)
- Part: Window Frame
- Part number: NA
- Condition: Cracked
- Location: R3 Window
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023031300721

## Discrepancy

SUSPECT CRACK IN R3 WINDOW FRAME ON FWD. SIDE 2ND FASTENER FROM BOTTOM PERFORMED HFEC SURFACE INSPECTION OF L3 WINDOW FRAME AT SECOND FASTENER HOLE FROM THE BOTTOM OF FWD FRAME EDGE AND VERIFIED CRACK EMINATING AFT .200 FROM FASTENER EDGE. REF 737 NTM PART 6-51-00-00 PROCEDURE 23. VERIFIED ACCOMPLISHMENT OF PART 1, PARG. B. STEPS 2 (FIGURE4) & STEP 4 (FIGURE 6) OF ECRA 5611-01314 REV. B. WINDOW POST NEEDS INSPECTED PER FIGURE 6. ACCOMPLISHED PART 1, PARG. B. STEPS 2 (FIGURE4) & STEP 4 (FIGURE 6) OF ECRA 5611-01314 REV. B. WINDOW POST NEEDS INSPECTED PER FIGURE 6. VERIFIED COMPLETION OF ECRA 5611-01314 REV B. PART 1.B.6. OK TO INSTALL DOUBLER REF. ECRA 5611-01314 REV.B. PART.1.C AND VERIFIED DOUBLER INSTALLED PER ECRA 5611-01314 REV.B PART 1.C.2. FIG.12. REINSTALLED E-F POST FASTENERS PER ECRA 5611-01314 REV B. PART DRILLED INTERNAL DOUBLER PER ECRA 5611-01314 REV.B. PART.1.C AND INSTALLED INTERNAL REPAIR DOUBLER PER ECRA 5611-01314 REV.B PART 1.B.6. FIG.12. OK TO INSTALL.. 1.C.2.

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